网上教程很多
docker pull mysql:5.7
docker images

docker run --name mysql5.7 -p 13306:3306 -e MYSQL_ROOT_PASSWORD=123456 -d mysql:5.7
docker ps

进入容器

设置允许所有人可连接:
GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' IDENTIFIED BY '123456' WITH GRANT OPTION;
刷新:
FLUSH PRIVILEGES;

exit
ctrl + z
docker ps
docker restart 容器ID

